CN111203683A

CN111203683A - Positioning device for welding component

Info

Publication number: CN111203683A
Application number: CN202010085358.4A
Authority: CN
Inventors: 石永丹
Original assignee: Chongqing Yudailu Industrial Technology Co ltd
Current assignee: Zhongyu intelligent equipment Chongqing Co.,Ltd.
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-05-29
Anticipated expiration: 2040-02-10
Also published as: CN111203683B

Abstract

The invention relates to the technical field of positioning welding, and discloses a positioning device for welding a component, which comprises a first supporting plate and a second supporting plate, wherein a plurality of supporting frames are arranged between the first supporting plate and the second supporting plate, and a side positioning mechanism is arranged between two adjacent supporting frames; a second positioning ring is rotatably connected to the second supporting plate, a driven gear is coaxially fixed to the second positioning ring, a rotating part driven by a driving part is rotatably connected to the second supporting plate, and a main gear meshed with the driven gear is coaxially fixed to the outer side wall of the rotating part; the side positioning mechanism comprises a flange plate and a third positioning ring fixed on the flange plate, a supporting shaft is fixed on the flange plate, a second positioning hole is formed in the third positioning ring, and a locking shaft is vertically connected in the second positioning hole in a sliding mode. The invention has simple structure, can quickly position and weld the component, and further improves the welding efficiency and the positioning efficiency.

Description

Positioning device for welding component

Technical Field

The invention relates to the technical field of positioning welding, in particular to a positioning device for welding a component.

Background

The structural member, such as a pipeline structural member, needs to be welded with some branch pipes, so that the pipeline structural member can achieve the purpose of shunting.

During the welding of the branch pipes, the pipe members and the branch pipes need to be positioned to improve the accuracy of the welding. In the prior art, a bracket is used for placing a pipeline component, and then supporting plates at two ends of the pipeline component are used for compressing the pipeline component so as to compress the pipeline component, so that the pipeline component cannot be subjected to position deviation in the welding process.

When welding the branch pipe, an operator inserts the support into the mounting hole of the piping member, but since the diameter of the mounting hole is larger than that of the branch pipe, a certain positional deviation of the branch pipe occurs during welding, thereby causing welding deviation. Therefore, when the pipe member and the branch pipe are welded, the branch pipe and the pipe member need to be positioned, and the welding accuracy is improved.

Disclosure of Invention

The invention aims to provide a positioning device for welding a component, which is used for positioning a pipeline component so as to facilitate the welding of the pipeline component and further improve the accuracy of the welding of the pipeline component.

In order to achieve the purpose, the invention provides the following technical scheme: a positioning device for welding a component comprises a first supporting plate and a second supporting plate, wherein a plurality of supporting frames are arranged between the first supporting plate and the second supporting plate, and a side positioning mechanism is arranged between every two adjacent supporting frames;

a first positioning ring is fixed on the first supporting plate, a first positioning hole is formed in the side wall of the first positioning ring, a pneumatic piece is installed on the supporting plate, and a positioning shaft in sliding fit with the first positioning hole is fixed on an output shaft of the pneumatic piece;

a second positioning ring is rotatably connected to the second supporting plate, a driven gear is coaxially fixed to the second positioning ring, a rotating part driven by a driving part is rotatably connected to the second supporting plate, and a main gear meshed with the driven gear is coaxially fixed to the outer side wall of the rotating part;

the side positioning mechanism comprises a flange plate and a third positioning ring fixed on the flange plate, a supporting shaft is fixed on the flange plate, a second positioning hole is formed in the third positioning ring, and a locking shaft is vertically connected in the second positioning hole in a sliding mode.

The principle and the beneficial effects of the invention are as follows:

(1) in this scheme, support through first backup pad and second backup pad, driving piece, rotation piece, master gear and from the gear with the rotation of drive pipeline component to make the mounting hole on the pipeline component align with side positioning mechanism, through the rotation of this mode reducible manual work to the pipeline component, and then reduced artifical consumption, improved the work efficiency of location.

(2) When the mounting hole of the pipeline component is aligned with the side positioning mechanism, the third positioning ring and the locking shaft are positioned, so that the branch pipe and the third positioning ring are coaxially fixed, and the positioning accuracy of the branch pipe is improved. Through the positioning of the pipeline member and the branch pipe, the welding is carried out after the positioning, so that the position deviation of the branch pipe during welding can be reduced, and the welding accuracy is improved.

(3) Utilize pneumatic piece, location axle and locating hole with pipeline component locking in first locating ring and second locating ring, reduced pipeline component's skew when the welding, further improved branch pipe welding's accuracy nature.

In the prior art, the branch pipe or the pipeline component is singly positioned, so that the position deviation of the branch pipe or the pipeline component is easily caused in the welding process, and the welding effect is poor. In this scheme, overcome the problem that single location brought, through the location and the fixed of a plurality of directions for the welding is not only stable, and the welded accuracy nature is high moreover.

Furthermore, the support frame comprises a cross beam and vertical beams fixed on two sides of the cross beam, and the upper part of each vertical beam protrudes out of the upper part of the cross beam.

Has the advantages that: because the pipeline component is circular, roll on the crossbeam easily, and then drop down from the support frame, can be spacing to the pipeline component through the upper portion protrusion crossbeam of erecting the roof beam.

Furthermore, the crossbeam is connected with a limiting part in a horizontal sliding mode, and one side, away from the flange plate, of the limiting part is provided with an elastic part which is abutted against the vertical beam.

Has the advantages that: through the setting of elastic component and locating part, can carry out further centre gripping to the pipeline component, and then improve pipeline component's stability, because the locating part can slide, the pipeline component of adaptable different diameters on the support.

Furthermore, an air passage penetrating through two ends of the cross beam is formed in the cross beam, the air passage is communicated with an air pipe, the air pipe is communicated with a pump assembly, and a plurality of air holes communicated with the air passage are formed in one side, far away from the flange plate, of the cross beam.

Has the advantages that: when welding the branch pipe again to the pipeline component on, produce a large amount of high temperature splashes easily, these splashes splash on other stations easily, cause operating personnel's clothes to damage easily, perhaps splash to other places, lead to these impurity to be difficult to the clearance, produce a large amount of gases through the pump package spare, gas is discharged from the gas pocket and is formed certain hindrance, and then reduces the scope of splashing of splash, has reduced the harm of splash simultaneously.

Furthermore, a reinforcing plate with a triangular longitudinal section is arranged at the lower part of the cross beam.

Has the advantages that: the cross beam is supported through the reinforcing plate, and the bearing capacity of the cross beam is further improved.

Furthermore, a cam is fixed on the slave gear, an oil tank fixed on the second supporting plate is arranged below the cam, an extrusion plate is vertically and slidably connected in the oil tank, an extrusion shaft is fixed on the extrusion plate, a return spring is fixed at the bottom of the extrusion plate, and the oil tank is communicated with an oil pipe facing the slave gear.

Has the advantages that: during the use of the slave gear and the master gear, the slave gear and the master gear have larger friction, the master gear and the slave gear are easy to generate certain abrasion, during the rotation of the master gear and the slave gear, the cam extrudes the extrusion shaft and the extrusion plate, and further the oil in the oil tank is discharged from an oil pipe so as to lubricate the master gear and the slave gear. The rotation of the second positioning ring can be adjusted within a certain angle through the matching of the master gear and the slave gear, and further the rotation angle of the pipeline component can be adjusted.

Further, a first support used for supporting the first support plate is mounted on the first support plate.

Has the advantages that: the first support supports first backup pad, improves the stability of first backup pad.

Further, a second support used for supporting the second support plate is installed on the second support plate.

Has the advantages that: the second support supports first backup pad, improves the stability of second backup pad.

Furthermore, a plurality of auxiliary pipes are communicated with the air pipe.

Has the advantages that: the auxiliary pipe that sets up can stretch into the branch pipe in, and the gas in the trachea enters into the auxiliary pipe and blows to the branch pipe, and when the branch pipe welding was on the pipeline component, cooled down through gaseous butt weld, improved welded work efficiency.

Furthermore, a protective layer is fixedly mounted on the side wall of the limiting part.

Has the advantages that: the friction between the limiting part and the pipeline component can be reduced through the protective layer, and the abrasion of the pipeline component is reduced.

Drawings

FIG. 1 is an isometric view of a positioning device for welding components in accordance with an embodiment of the present invention;

FIG. 2 is a left side view of a positioning device for welding a component according to an embodiment of the present invention;

FIG. 3 is a sectional view taken along line G-G of FIG. 2;

FIG. 4 is a top view of a positioning device for welding a component according to an embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a plan view of a positioning device for welding two members according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the air pump comprises an air pump 1, an air pipe 11, a first supporting plate 2, a fixing plate 21, an air cylinder 22, a fixing ring 23, a positioning shaft 24, a first positioning ring 25, a first positioning hole 26, a first support 27, a supporting frame 3, a cross beam 31, a vertical beam 32, an air channel 33, a reinforcing plate 34, an air hole 35, a limiting plate 36, a flange plate 4, a supporting shaft 41, a reinforcing rib 42, a third positioning ring 43, a locking shaft 44, a sub pipe 45, a second supporting plate 5, a second support 51, a rotating disc 52, a main gear 53, a cam 54, an oil tank 55, a driven gear 56, an extrusion shaft 57, an extrusion plate 571, a return spring 572, an oil pipe 573, a second positioning ring 58, a pipeline member 6 and a branch pipe.

The first embodiment is as follows:

as shown in fig. 1, fig. 2 and fig. 3, a positioning device for welding a component comprises a first supporting plate 2 and a second supporting plate 5, wherein a plurality of supporting frames 3 are arranged between the first supporting plate 2 and the second supporting plate 5, and a side positioning mechanism is arranged between two adjacent supporting frames 3.

A first support 27 with a triangular longitudinal section is welded and fixed on the left side wall of the first support plate 2, a fixing plate 21 is welded and fixed on the top wall of the first support plate 2, a pneumatic part is fixed on the right side wall of the fixing plate 21 through a bolt, the pneumatic part is a cylinder 22 in the embodiment, an output shaft of the cylinder 22 faces downwards, a fixing ring 23 is fixed on the output shaft of the cylinder 22 through a bolt, and a positioning shaft 24 is welded and fixed in the fixing ring 23. A first positioning ring 25 is fixed on the right side wall of the first supporting plate 2 in a welding manner, and a first positioning hole 26 is formed in the first positioning ring 25. The cylinder 22 is started, the cylinder 22 pushes the fixing ring 23 and the positioning shaft 24 to move towards the first positioning hole 26, and the positioning shaft 24 extends into the first positioning hole 26 to press the pipeline component 6 tightly.

The supporting frame 3 includes a cross beam 31 and vertical beams 32 welded and fixed on two sides of the cross beam 31, the upper portion of the vertical beam 32 protrudes out of the upper side wall of the cross beam 31, the cross beam 31 is horizontally and slidably connected with a limiting member, the limiting member is a limiting plate 36 in this embodiment, a protective layer is fixedly bonded on the side wall of the limiting plate 36, and the protective layer is made of rubber in this embodiment. Referring to fig. 4 and 5, an elastic member is disposed on the right side wall of the limiting plate 36, and in this embodiment, the elastic member is a spring (not labeled), one end of the spring is welded and fixed to the limiting plate 36, and the other end of the spring is welded and fixed to the right vertical beam 32. A reinforcing plate 34 having a triangular longitudinal section is welded and fixed to the bottom wall of the cross member 31.

As shown in fig. 1, 2 and 3, the side positioning mechanism includes a flange 4 and a support shaft 41 fixed to the flange 4 by welding, and a reinforcing rib 42 having a triangular longitudinal section is fixed to a lower portion of the support shaft 41 by welding. A third positioning ring 43 is welded and fixed on the flange plate 4, a second positioning hole is formed in the third positioning ring 43, and a locking shaft 44 is vertically connected in the second positioning hole in a sliding manner.

A second bracket 51 with a triangular longitudinal section is welded and fixed on the right side wall of the second supporting plate 5, a second positioning ring 58 is rotatably connected on the left side wall of the second supporting plate 5, a driven gear 56 is coaxially welded and fixed on the outer side wall of the second positioning ring 58, a rotating member driven by a driving member is rotatably connected on the second supporting plate 5, in the embodiment, the driving member is a stepping motor (not shown in the figure), the rotating member is a rotating disc 52, a main gear 53 is coaxially welded and fixed on the outer side wall of the rotating disc 52, and the main gear 53 is meshed with the driven gear 56. A cam 54 is fixed to a hub of the gear 56 by bolts, an oil tank 55 fixed to the second support plate 5 by bolts is provided below the cam 54, a squeeze plate 571 is vertically slidably connected to the inside of the oil tank 55, a squeeze shaft 57 abutting against the cam 54 is fixedly welded to the upper portion of the squeeze plate 571, a return spring 572 abutting against the oil tank 55 is fixedly welded to the bottom portion of the squeeze plate 571, and an oil pipe 573 communicating with the oil tank 55 and facing the gear 56 is provided below the squeeze plate 571.

As shown in fig. 1 and fig. 2, an air passage 33 is formed in the cross beam 31 and penetrates through two ends of the cross beam 31, the air passage 33 is communicated with the air tube 11, and the air tube 11 is communicated with a pump assembly, which is the air pump 1 in this embodiment. As shown in fig. 4, the cross member 31 on the right side of the retainer plate 36 is provided with an air hole 35 communicating with the air passage 33.

The specific implementation process is as follows:

placing pipeline component 6 on support frame 3, offering the mounting hole that is used for installing branch pipe 61 on pipeline component 6, pipeline component 6 can extrude limiting plate 36 to make limiting plate 36 extrude the spring, the pipeline component 6 is extruded to the reaction force of spring, because vertical beam 32 protrudes crossbeam 31, thereby limiting plate 36 supports pipeline component 6 tightly on support frame 3.

Moving the first support plate 2 and the second support plate 5, the two ends of the pipe member 6 respectively extend into the first positioning ring 25 and the second positioning ring 58, starting the stepping motor, the stepping motor driving the main gear 53 to rotate, the main gear 53 driving the secondary gear 56, so that the secondary gear 56 driving the second positioning ring 58 to rotate, under the action of friction, the second positioning ring 58 driving the pipe member 6 to rotate until the mounting hole of the pipe member 6 is opposite to the third positioning ring 43.

The support tube 61 is inserted into the mounting hole, and then the support tube 61 is inserted into the third positioning ring 43, such that the third positioning ring 43 is coaxial with the support tube 61, thereby completing the positioning of the support tube 61. In order to avoid the position deviation of the pipeline component 6 during the welding process, the air cylinder 22 is started, the air cylinder 22 pushes the fixing ring 23 and the positioning shaft 24 to extend into the first positioning hole 26, and the positioning shaft 24 abuts against the pipeline component 6, so that the pipeline component 6 is locked in the first positioning ring 25 and the second positioning ring 58, meanwhile, the locking shaft 44 extends into the second positioning hole, the branch pipe 61 is locked by the locking shaft 44, and the branch pipe 61 is positioned. By positioning in two aspects to facilitate welding of the branch pipe 61 by an operator, the accuracy of welding is improved since positional deviation of the branch pipe 61 and the piping member 6 is reduced.

During welding, a large amount of high-temperature spatter is generated, for example: molten metal, etc., which may be splashed toward other stations, burning clothes, etc., of other operators. In order to reduce the splashing range of the splashed objects, during welding, the air pump 1 is started, the air pump 1 is used for introducing air into the air passage 33, the air is discharged through the air passage 33 and the air holes 35, a certain air curtain is formed by the air discharged from the air holes 35, the splashed objects are blocked through the air curtain, the splashing range of the splashed objects is further reduced, meanwhile, the air cools the splashed objects, and possible harm caused by the splashed objects is avoided.

During the rotation of the slave gear 56, the slave gear 56 drives the cam 54 to move, when the cam 54 abuts against the pressing shaft 57, the pressing shaft 57 pushes the pressing plate 571, the pressing plate 571 presses the return spring 572, the pressing plate 571 presses the lubricating oil in the oil tank 55 out of the oil pipe 573 and sprays the lubricating oil to the slave gear 56, the slave gear 56 carries the lubricating oil to be in contact with the master gear 53, and therefore the master gear 53 and the slave gear 56 are lubricated, and the service life of the slave gear 56 and the master gear 53 is prolonged.

Example two:

the difference between the second embodiment and the first embodiment is that, as shown in fig. 6, a plurality of auxiliary pipes 45 are communicated with the air pipe 11, the auxiliary pipes 45 are flexible pipes, and the inner diameter of the auxiliary pipes 45 is smaller than that of the branch pipes 61.

When the branch pipe 61 is positioned, the sub-pipe 45 is inserted into the branch pipe 61, and when the air pump 1 injects air into the air pipe 11, the air enters the sub-pipe 45, and the air in the sub-pipe 45 is blown into the branch pipe 61. In this way, when the branch pipe 61 is welded, the gas blown into the branch pipe 61 blows air to the welded portion between the branch pipe 61 and the duct member 6, and the air blows air to accelerate cooling of the welded portion, thereby improving the work efficiency of welding.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. Positioner is used in component welding, its characterized in that: the device comprises a first supporting plate and a second supporting plate, wherein a plurality of supporting frames are arranged between the first supporting plate and the second supporting plate, and a side positioning mechanism is arranged between every two adjacent supporting frames;

2. The positioning device for member welding according to claim 1, wherein: the support frame comprises a cross beam and vertical beams fixed on two sides of the cross beam, and the upper portion of each vertical beam protrudes out of the upper portion of the cross beam.

3. The positioning device for member welding according to claim 2, characterized in that: the horizontal sliding connection has a locating part on the crossbeam, and one side that the flange dish was kept away from to the locating part is provided with the elastic component that offsets with perpendicular roof beam.

4. The positioning device for member welding according to claim 3, wherein: an air passage penetrating through two ends of the cross beam is formed in the cross beam, the air passage is communicated with an air pipe, the air pipe is communicated with a pump assembly, and a plurality of air holes communicated with the air passage are formed in one side, far away from the flange plate, of the cross beam.

5. The positioning device for member welding according to claim 4, wherein: and a reinforcing plate with a triangular longitudinal section is arranged at the lower part of the cross beam.

6. The positioning device for member welding according to claim 1, wherein: the driven gear is fixed with a cam, an oil tank fixed on the second supporting plate is arranged below the cam, an extrusion plate is vertically and slidably connected in the oil tank, an extrusion shaft is fixed on the extrusion plate, a return spring is fixed at the bottom of the extrusion plate, and the oil tank is communicated with an oil pipe facing the driven gear.

7. The positioning device for member welding according to claim 6, wherein: the first support plate is provided with a first support used for supporting the first support plate.

8. The positioning device for member welding according to claim 7, wherein: and a second support used for supporting the second support plate is arranged on the second support plate.

9. The positioning device for member welding according to claim 4, wherein: the air pipe is communicated with a plurality of auxiliary pipes.

10. The positioning device for member welding according to claim 9, wherein: and the side wall of the limiting part is fixedly provided with a protective layer.